#include "apue.h"

static void charatatime(char *);

int main(void) {
	pid_t pid;
	
	TELL_WAIT();

	if ((pid = fork()) < 0) {
		err_sys("fork error");
	} else if (pid == 0) {
		WAIT_PARENT();
		charatatime("output from child\n");
	} else {
		charatatime("output from parent\n");
		TELL_CHILD(pid);
	}
	exit(0);
}

static void charatatime(char *str) {
	char *ptr;
	int c;
	setbuf(stdout, NULL);
	for (ptr = str; (c = *ptr++) != 0;)
		putc(c, stdout);
}
